Article PDF
Rights and permissions
About this article
Cite this article
Market Research. Nature 204, 924 (1964). https://doi.org/10.1038/204924d0
Issue Date:
DOI: https://doi.org/10.1038/204924d0
Nature volume 204, page 924 (1964)
Market Research. Nature 204, 924 (1964). https://doi.org/10.1038/204924d0
Issue Date:
DOI: https://doi.org/10.1038/204924d0